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Intangible Assets, Net (Details) - USD ($) | Sep. 30, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 8,826,000 | $ 8,826,000 | $ 8,826,000
Accumulated Amortization | (6,169,121) | (4,905,557) | (3,220,807)
Net Carrying Amount | 2,656,879 | 3,920,443 | 5,605,193
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 50,000 | 50,000 | 50,000
Accumulated Amortization | (23,125) | (21,250) | (18,750)
Net Carrying Amount | 26,875 | 28,750 | 31,250
Trade names, trademarks, product names, URLs [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 1,555,000 | 1,555,000 | 1,555,000
Accumulated Amortization | (777,104) | (585,479) | (329,979)
Net Carrying Amount | 777,896 | 969,521 | 1,225,021
Internally developed software [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 2,720,000 | 2,720,000 | 2,720,000
Accumulated Amortization | (2,202,697) | (1,900,696) | (1,498,029)
Net Carrying Amount | 517,303 | 819,304 | 1,221,971
Subscriber/customer relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 4,219,000 | 4,219,000 | 4,219,000
Accumulated Amortization | (2,884,195) | (2,221,882) | (1,338,799)
Net Carrying Amount | 1,334,805 | 1,997,118 | 2,880,201
Lead pool [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 282,000 | 282,000 | 282,000
Accumulated Amortization | (282,000) | (176,250) | (35,250)
Net Carrying Amount |  | $ 105,750 | $ 246,750

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